A Novel Method of Moments for Numerical Analysis of Antennas over 2-D Infinite Periodic Arrays of Scatterers

Keisuke Konno, Nozomi Haga, Jerdvisanop Chakarothai, Qiang Chen, Narihiro Nakamoto, Toru Takahashi

研究成果: ジャーナルへの寄稿学術論文査読

抄録

In this article, a novel method of moments (MoM) for numerical analysis of antennas over a 2-D infinite periodic array of scatterers is proposed. The proposed MoM models the 2-D infinite periodic array of scatterers as a reflecting plane, i.e., electromagnetic response of the 2-D infinite periodic array of scatterers is formulated via their reflection coefficient. In a similar manner to a layered media Green's function, self/mutual coupling between source and observation points over the 2-D infinite periodic array of scatterers is formulated as a superposition of direct wave component and TE/TM reflection wave components. Numerical simulation is performed, and performance of the proposed MoM is demonstrated. The proposed MoM has a couple of advantages. The first and second ones are mesh-free/numerical modelings of the 2-D infinite periodic array of scatterers via their reflection coefficient. The mesh-free modeling contributes to small computational cost whereas the numerical modeling enables to deal with the 2-D infinite periodic array of arbitrary-shaped scatterers. The third one is ease of combination with existent numerical analysis tool of the 2-D infinite periodic array of scatterers.

本文言語英語
ページ(範囲)50-60
ページ数11
ジャーナルIEEE Transactions on Antennas and Propagation
72
1
DOI
出版ステータス出版済み - 2024 1月 1

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